Most people don't get too excited when a moth gets captured by a security camera. Charisma Magazine, however, is sure that the moth is actually an angel, and the roofline of the building behind it is actually a sword:
Just in case you're not sure that the sword is just the roofline behind it, Charisma even publishes the next frame in the sequence that clearly shows the roofline of the building as the moth flies away.
Here's the 2nd photograph showing the moth fly away:
Now here's the "angel with a sword" photograph: